AWS API MCP Server Security Policy Bypass via Startup Initialization Failure
High-risk advisory
CVE-2026-16584
Summary
AWS API MCP Server Security Policy Bypass via Startup Initialization Failure
Why it matters
GitHub has published a reviewed security advisory for awslabs.aws-api-mcp-server. Prioritize it with other application dependency updates, especially because EPSS places it in the 3% percentile.
Operator check
Check whether awslabs.aws-api-mcp-server is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 7.3. EPSS probability: 0.1%; percentile: 3%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.